1: (3 7 18)

(0 17 15)(1 8 5)(2 11 4)(3 7 18)(6 12 9)(10 16 14)(13 20 19)

2: (2 11 4)

(0 17 15)(1 8 5)(2)(3 7 18)(4)(6 12 9)(10 16 14)(11)(13 20 19)

3: (3 7 18)

(0 17 15)(1 8 5)(2)(3)(4)(6 12 9)(7)(10 16 14)(11)(13 20 19)(18)

4: (6 12 9)

(0 17 15)(1 8 5)(2)(3)(4)(6)(7)(9)(10 16 14)(11)(12)(13 20 19)(18)